mirror of
https://gitee.com/milvus-io/milvus.git
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130 lines
3.4 KiB
Go
130 lines
3.4 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package datacoord
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import (
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"context"
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"errors"
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"fmt"
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"time"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/util/tsoutil"
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)
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// Response response interface for verification
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type Response interface {
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GetStatus() *commonpb.Status
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}
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// VerifyResponse verify grpc Response 1. check error is nil 2. check response.GetStatus() with status success
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func VerifyResponse(response interface{}, err error) error {
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if err != nil {
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return err
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}
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if response == nil {
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return errNilResponse
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}
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switch resp := response.(type) {
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case Response:
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// note that resp will not be nil here, since it's still a interface
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if resp.GetStatus() == nil {
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return errNilStatusResponse
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}
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if resp.GetStatus().GetErrorCode() != commonpb.ErrorCode_Success {
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return errors.New(resp.GetStatus().GetReason())
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}
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case *commonpb.Status:
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if resp == nil {
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return errNilResponse
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}
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if resp.ErrorCode != commonpb.ErrorCode_Success {
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return errors.New(resp.GetReason())
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}
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default:
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return errUnknownResponseType
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}
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return nil
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}
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// FailResponse sets status to failed with reason
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func FailResponse(status *commonpb.Status, reason string) {
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status.ErrorCode = commonpb.ErrorCode_UnexpectedError
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status.Reason = reason
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}
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// LongTermChecker checks we receive at least one msg in d duration. If not, checker
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// will print a warn message.
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type LongTermChecker struct {
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d time.Duration
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t *time.Ticker
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ch chan struct{}
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warn string
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name string
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}
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// NewLongTermChecker creates a long term checker specified name, checking interval and warning string to print
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func NewLongTermChecker(ctx context.Context, name string, d time.Duration, warn string) *LongTermChecker {
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c := &LongTermChecker{
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name: name,
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d: d,
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warn: warn,
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ch: make(chan struct{}),
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}
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return c
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}
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// Start starts the check process
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func (c *LongTermChecker) Start() {
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c.t = time.NewTicker(c.d)
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go func() {
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for {
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select {
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case <-c.ch:
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log.Warn(fmt.Sprintf("long term checker [%s] shutdown", c.name))
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return
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case <-c.t.C:
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log.Warn(c.warn)
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}
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}
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}()
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}
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// Check resets the time ticker
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func (c *LongTermChecker) Check() {
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c.t.Reset(c.d)
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}
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// Stop stops the checker
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func (c *LongTermChecker) Stop() {
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c.t.Stop()
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close(c.ch)
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}
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func getTimetravelReverseTime(ctx context.Context, allocator allocator) (*timetravel, error) {
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ts, err := allocator.allocTimestamp(ctx)
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if err != nil {
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return nil, err
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}
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pts, _ := tsoutil.ParseTS(ts)
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ttpts := pts.Add(-time.Duration(Params.DataCoordCfg.CompactionRetentionDuration) * time.Second)
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tt := tsoutil.ComposeTS(ttpts.UnixNano()/int64(time.Millisecond), 0)
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return &timetravel{tt}, nil
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}
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